81231012

素因数分解:

$2^2\times 3^6\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:424

約数の個数: 84

約数和(自身を含む): 216217260

約数和(自身を除く): 134986248

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 243, 267, 313, 324, 356, 486, 534, 626, 729, 801, 939, 972, 1068, 1252, 1458, 1602, 1878, 2403, 2817, 2916, 3204, 3756, 4806, 5634, 7209, 8451, 9612, 11268, 14418, 16902, 21627, 25353, 27857, 28836, 33804, 43254, 50706, 55714, 64881, 76059, 83571, 86508, 101412, 111428, 129762, 152118, 167142, 228177, 250713, 259524, 304236, 334284, 456354, 501426, 752139, 912708, 1002852, 1504278, 2256417, 3008556, 4512834, 6769251, 9025668, 13538502, 20307753, 27077004, 40615506, 81231012]

約数ペア:

[(1, 81231012), (2, 40615506), (3, 27077004), (4, 20307753), (6, 13538502), (9, 9025668), (12, 6769251), (18, 4512834), (27, 3008556), (36, 2256417), (54, 1504278), (81, 1002852), (89, 912708), (108, 752139), (162, 501426), (178, 456354), (243, 334284), (267, 304236), (313, 259524), (324, 250713), (356, 228177), (486, 167142), (534, 152118), (626, 129762), (729, 111428), (801, 101412), (939, 86508), (972, 83571), (1068, 76059), (1252, 64881), (1458, 55714), (1602, 50706), (1878, 43254), (2403, 33804), (2817, 28836), (2916, 27857), (3204, 25353), (3756, 21627), (4806, 16902), (5634, 14418), (7209, 11268), (8451, 9612)]